Disable Spybot's TeaTimer to make sure it won't interfere with fixes. You can re-enable it when you're clean again:
Run Spybot-S&D in Advanced Mode
If it is not already set to do this, go to the Mode menu
select
Advanced Mode

On the left hand side, click on Tools
Then click on the Resident icon in the list
Uncheck
Resident TeaTimer
and OK any prompts.
Restart your computer

Download ResetTeaTimer.bat to the Desktop (right click the link and select save)
http://downloads.subratam.org/ResetTeaTimer.bat
Double click ResetTeaTimer.bat to remove all entries set by TeaTimer (and preventing TeaTimer to restore them upon reactivation).

Double-click mbam-setup.exe and follow the prompts to install the program.
At the end, be sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
If an update is found, it will download and install the latest version.
Once the program has loaded, select Perform full scan, then click Scan.
When the scan is complete, click OK, then Show Results to view the results.
Be sure that everything is checked, and click Remove Selected.
When completed, a log will open in Notepad. Please save it to a convenient location. The log can also be found here: C:\Documents and Settings\Username\Application Data\Malwarebytes\Malwarebytes' Anti-Malware\Logs\log-date.txt
Please post contents of that file in your next reply.

Then visit this webpage for download links, and instructions for running ComboFix tool:

http://www.bleepingcomputer.com/combofix/how-to-use-combofix

Please ensure you read this guide carefully and install the Recovery Console first.

The Windows Recovery Console will allow you to boot up into a special recovery (repair) mode. This allows us to more easily help you should your computer have a problem after an attempted removal of malware. It is a simple procedure that will only take a few moments of your time.

Once installed, you should see a blue screen prompt that says:

The Recovery Console was successfully installed.

Please continue as follows:

Close/disable all anti virus and anti malware programs so they do not interfere with the running of ComboFix, link (http://www.bleepingcomputer.com/forums/topic114351.html)
Remember to re-enable them afterwards.

Click Yes to allow ComboFix to continue scanning for malware.

When the tool is finished, it will produce a report for you.

Please include the following reports for further review, and so we may continue cleansing the system:

C:\ComboFix.txt
New HijackThis log.

A word of warning: Neither I nor sUBs are responsible for any damage you may have caused your machine by running ComboFix. This tool is not a toy and not for everyday use.